docs: fix workflow badge

Author: Victor Navarro

README.md

@@ -2,7 +2,7 @@
    <h1>☝ update-version</h1>
    <p>Update your files version field on new releases</p>
    <p align="center">
-    <img alt="GitHub Workflow Status" src="https://img.shields.io/github/workflow/status/pocket-studios/action-update-version/ci">
+    <img alt="GitHub Workflow Status" src="https://img.shields.io/github/workflow/status/pocket-studios/action-update-version/CI">
     <img alt="GitHub release (latest by date)" src="https://img.shields.io/github/v/release/pocket-studios/action-update-version">
     <img alt="GitHub" src="https://img.shields.io/github/license/pocket-studios/action-update-version">
    </p>